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JamControls.TJamFolderCombo

The TJamFolderCombo is a simple component that allows to display folders and drives in a combo box with its associated icons.

JamControls_TJamFolderComboJamControls_TJamFolderComboJamControls_TJamFolderCombo
Syntax
Pascal
TJamFolderCombo = class(TJamCustomFolderCombo, IPathExistsViewer, IItemIDListViewer);

Use the IncludeDrives property to show all available drives to the combo box. Use the AddFolder method to add a new folder to the combo box.

 
Name 
Description 
 
Creates an instance of a TJamCustomEditComboBox component.  
 
Deletes an instance of a TJamCustomEditComboBox component.  
JamControls.TJamCustomFolderCombo
 
Name 
Description 
 
Creates an instance of a TJamCustomFolderCombo component.  
 
Destroys an instance of a TJamCustomFolderCombo component.  
JamControls.TJamFolderCombo
 
Name 
Description 
 
Constructor of the TJamFolderCombo component.  
 
Destructor of the TJamFolderCombo component  
 
Name 
Description 
 
Selects the entire block of text in the edit box.  
 
Undo 
Undoes the last edit control operation.  
JamControls.TJamCustomFolderCombo
 
Name 
Description 
 
Add 
Adds the given ITemIdList to the dropdown list. 
 
Deletes all text from the edit box and all items from the Items list. 
 
Deletes the item with the given index from the Items list. 
 
Returns the index of the given path. 
 
Adds an item to this control.  
 
Returns True if the drop down list is about to close up or was just closing up; False otherwise. 
 
KeyPress processes standard keystroke messages for the combo box control. 
JamControls.TJamFolderCombo
 
Name 
Description 
 
Adds a folder to the TJamFolderCombo  
 
Refreshes the information displayed in this control.  
 
Removed the given path from the TJamFolderCombo control.  
 
Selects a folder, which is in the Items of the TJamFolderCombo.  
 
Name 
Description 
 
returns true if the user pressed the ESC key when the list was dropped down or the list was closed without selecting an item, false otherwise. Can be useful in the OnCloseUp Event. 
 
Determines if items can be scrolled when drop-down list is closed up.  
 
The Text in the Edit field. 
 
Occurs when the drop-down list closes up due to some user action.  
 
Specifies where a control looks for its font information. 
 
Set this property to true if you want the component to utilize the default system font. 
 
The version number of the ShellBrower controls. 
JamControls.TJamCustomFolderCombo
 
Name 
Description 
 
Specifies options that control autocompletion. 
 
Determines if items can be scrolled when drop-down list is closed up.  
 
Provides access to the list of TJamComboItems.  
 
Occurs when the user right-clicks the control or otherwise invokes the pop-up menu (such as using the keyboard). 
 
Occurs when the dragging of an object ends, either by docking the object or by canceling the dragging. 
 
Occurs when the user selects a string in the drop-down list. 
 
Occurs when the user begins to drag a control with a DragKind of dkDock. 
JamControls.TJamFolderCombo
 
Name 
Description 
 
Determines how the control aligns within its container (parent control). 
 
Specifies how the control is anchored to its parent. 
 
Receives notifications about changes in the shell and performs refreshes automatically.  
 
Specifies the background color of the control.  
 
Use Constraints to specify the minimum and maximum width and height of the control. 
 
Determines whether a control has a three-dimensional (3-D) or two-dimensional look. 
 
Determines whether the control's image is rendered directly to the window or painted to an in-memory bitmap first.  
 
Specifies the image used to represent the mouse pointer when the control is being dragged. 
 
Specifies whether the control is being dragged normally or for docking. 
 
Specifies how the control initiates drag-and-drop or drag-and-dock operations. 
 
Specifies the maximum number of items displayed in the drop-down list.  
 
Use this property to show the full path of a folder in the TJamFolderCombo.  
 
Controls whether the control responds to mouse, keyboard, and timer events.  
 
Font 
Controls the attributes of text written on or in the control. Make sure to turn off UseSystemFont before editing this control! Otherwise the changes will not persist.  
 
Determines the behavior of the input method editor (IME). 
 
Specifies the input method editor (IME) to use for converting keyboard input to Asian language characters. 
 
Adds all local drives to a JamFolderCombo.  
 
Setting this property to true will add all mobile devices like smartphones to the combo box.  
 
Setting IncludeMyDocuments to true will add the MyDocuments folder to the combo box.  
 
Setting IncludeRemovableDrives to true will add all removable drives to the combo box.  
 
Specifies the height, in pixels, of the items in the drop-down list. 
 
Specifies the maximum number of characters the user can type into the edit portion of the combo box.  
 
Occurs when an attempt is made to resize the control. 
 
Occurs when the user changes the text displayed in the edit region.  
 
Occurs when the user clicks the control.  
 
Occurs when the drop-down list closes up due to some user action. 
 
Occurs when the user double-clicks the left mouse button when the mouse pointer is over the control.  
 
Occurs when the user drops an object being dragged. 
 
Occurs when the user drags an object over a control. 
 
Occurs when the user opens the drop-down list.  
 
Occurs when the dragging of an object ends, either by dropping the object or by canceling the dragging. 
 
Occurs when a control receives the input focus. 
 
Occurs when the input focus shifts away from one control to another. 
 
Occurs when a user presses any key while the control has focus. 
 
Occurs when key pressed.  
 
Occurs when the user releases a key that was pressed. 
 
This event is getting fired after the control has been initially filled or has been fully refreshed.  
 
Occurs when the user begins to drag the control or an object it contains by left-clicking the control and holding the mouse button down. 
 
Specifies where a control looks for its color information.  
 
Determines where a component looks to determine whether it should have a three-dimensional look. 
 
ParentDoubleBuffered defers the DoubleBuffered property of this component to the value of the parent's DoubleBuffered property. 
 
Specifies where a control looks for its font information. 
 
Specifies where a control looks to find out if its Help Hint should be shown. 
 
Specifies the pop-up menu associated with the control. 
 
Gives back the full path of the selected folder in the JamFolderCombo.  
 
The currently selected path in the control.  
 
Specifies whether to show the Help Hint when the mouse pointer moves over the control. 
 
If set to true, the paths will be listed sorted. The list will only be sorted in case the AddFolder method is used, or InsertItem with an index of -1. If IncludeMyDocuments is True, the "My documents" folder will always be the first item.  
 
Specifies the style name for this control. 
 
Indicates the position of the control in its parent's tab order. 
 
Determines whether the user can tab to a control. 
 
Text 
Specifies the text string that is displayed in the edit box.  
 
If this property is set to true, the TJamShellCombo uses the same font as the Windows Explorer.  
 
Specifies whether the component appears onscreen.