0006707: TJvDBGrid displays Black boxes or 'random' graphic from other parts of the screen

ID	Project	Category	View Status	Date Submitted	Last Update

0006707	JEDI VCL	00 JVCL Components	public	2020-12-01 17:38	2021-06-04 14:03

Reporter	ArnoBrinkman	Assigned To
Priority	high	Severity	major	Reproducibility	always
Status	feedback	Resolution	open
Product Version	Daily / GIT
Target Version		Fixed in Version

Summary	0006707: TJvDBGrid displays Black boxes or 'random' graphic from other parts of the screen
Description	A change made in TJvDBGrid is causing many weird issues. The modification that has been done is in procedure TJvDBGrid.MouseUp(...) This "inherited MouseUp(Button, Shift, X, Y);" has been replaced with: begin OriginalScrollInfo.cbSize := SizeOf(OriginalScrollInfo); OriginalScrollInfo.fMask := SIF_POS; // Store scrollbar position GetScrollInfo(Handle, SB_HORZ, OriginalScrollInfo); // LockWindowUpdate(Handle); try inherited MouseUp(Button, Shift, X, Y); Perform(WM_HSCROLL, MakeWParam(SB_THUMBPOSITION, OriginalScrollInfo.nPos), 0); //Repos finally LockWindowUpdate(0); end; end;
Steps To Reproduce	A JvDBGrid with data X A button with opens a new modal form also with a JvDBGrid where you can select a row. After doubleclick the data is passed back and the data X is filtered and the grid refreshed. You'll see all cells are completly black or some random parts from anywhere on the form. placed in the cells.
Tags	No tags attached.

Date Modified	Username	Field	Change
2020-12-01 17:38	ArnoBrinkman	New Issue
2021-06-04 14:03	obones	Status	new => feedback
2021-06-04 14:03	obones	Note Added: 0021977

obones 2021-06-04 14:03 administrator ~0021977	Please provide the zipped sources of a sample application showing this.