MouseMoveOnThumb (Thumbnail Control/ Custom Event)

This event is generated when the mouse is moved over a thumbnail image in the Thumbnail Control.

[C++Builder] thumbcontrolnameMouseMoveOnThumb(TObject *Sender, const UnicodeString PathName, const UnicodeString FileName, short ImageNumber, short MaxImage, short ALeft, short ATop, short ARight, short ABottom)

[Delphi] thumbcontrolnameMouseMoveOnThumb(Sender: TObject; const PathName, FileName: string; ImageNumber, MaxImage, ALeft, ATop, ARight, ABottom: Smallint)

Parameters

Name	Explanation
PathName	The directory name and path of the image that was moved over with the mouse
FileName	The file name of the image that was moved over with the mouse
ImageNumber	The sequential number of the thumbnail image
MaxImage	The total number of images to be loaded into the Thumbnail Control
ALeft	The position, in pixels, of the left side of the thumbnail frame that was moved over with the mouse. (This is the x coordinate of the top left corner of the thumbnail frame)
ATop	The position, in pixels, of the top of the thumbnail frame that was moved over with the mouse. (This is the y coordinate of the top left corner of the thumbnail frame)
ARight	The position, in pixels, of the left side of the thumbnail frame that was moved over with the mouse. (This is the x coordinate of the bottom right corner of the thumbnail frame)
ABottom	The position, in pixels, of the left side of the thumbnail frame that was moved over with the mouse. (This is the y coordinate of the bottom right corner of the thumbnail frame)

Explanation

The MouseMoveOnThumb event is generated when the mouse is moved over a thumbnail image in the Thumbnail Control. To enable this event the EnableMouseMoveButton property must be set to True. If the thumbnail image is not displayed on the thumbnail control then this event is not generated. When the thumbnail image isn't displayed into the thumbnail frame that was moved over with the mouse, the PathName and FileName parameters will return empty string.

When multi-page image files are loaded, the page number is appended to the FileName parameter (If the page number is 0 then it is omitted).

Example: When page 2 of the file ABC.TIF is loaded into the thumbnail control, the FileName parameter will return the string "ABC.TIF 2"

Differences from ImageKit6/7/8/9/10 ActiveX

In C++Builder, the PathName and FileName parameters' type is changed to UnicodeString
In Delphi, the PathName and FileName parameter's type is changed to string

This event occurs when the mouse is moved regardless of the value of the EnableMouseMoveButton property (except for ImageKit10)

Difference with ImageKit 6/7/8/9 VCL

The event occurs when the mouse moves regardless of the value of the EnableMouseMoveButton property.