January 8th, 2000, 11:30 AM
Is there a VB utility anywhere that allows the user to point at anything on the screen and have its RGB value displayed? Thought I saw an API utility somewhere that does this but don't remember where I found it.
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Click to See Complete Forum and Search --> : Color ID utility? January 8th, 2000, 11:30 AM Is there a VB utility anywhere that allows the user to point at anything on the screen and have its RGB value displayed? Thought I saw an API utility somewhere that does this but don't remember where I found it. Aaron Young January 10th, 2000, 01:05 PM Add a Timer Control to a Form, then use this code and point to anywhere on your screen to have the RGB value appear in the Forms Caption. private Type POINTAPI x as Long y as Long End Type private Declare Function GetPixel Lib "gdi32" (byval hdc as Long, byval x as Long, byval y as Long) as Long private Declare Function GetCursorPos Lib "user32" (lpPoint as POINTAPI) as Long private Declare Function GetWindowDC Lib "user32" (byval hwnd as Long) as Long private Sub Form_Load() Timer1.Interval = 100 End Sub private Sub Timer1_Timer() Dim tPOS as POINTAPI Dim sTmp as string Dim lColor as Long Dim lDC as Long lDC = GetWindowDC(0) Call GetCursorPos(tPOS) lColor = GetPixel(lDC, tPOS.x, tPOS.y) sTmp = Right$("000000" & Hex(lColor), 6) Caption = "R:" & Right$(sTmp, 2) & " G:" & mid$(sTmp, 3, 2) & " B:" & Left$(sTmp, 2) End Sub Aaron Young Analyst Programmer ajyoung@pressenter.com aarony@redwingsoftware.com January 10th, 2000, 02:29 PM Thanks a lot. Also refound the code - it was "getpixel.zip" from http://matthart.com/vbhelp/vbapi.htm codeguru.com
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