Information on .RC Files

[vilian]

Antonio,

The positions of screen and size of the controls are where unit?

Why
CONTROL "&Ok", 102, "Button", WS_TABSTOP, 327, 217, 55, 18
and
@ 217,327 BUTTON "&Ok" SIZE 55,18 PIXEL

They generate different controls completely? Exists some resource that has adjusted the values of files .RC for values in pixels?

Code: Select all  Expand view

SAL120F DIALOG FIXED IMPURE 15, 21, 385, 259
STYLE WS_POPUP|WS_THICKFRAME|WS_CAPTION|WS_SYSMENU|WS_VISIBLE
CAPTION "DIALOG_1"
FONT 8, "MS Sans Serif"
BEGIN
  CONTROL "", 101, "SysTabControl32", WS_TABSTOP, 1, 2, 324, 252
  CONTROL "&Ok", 102, "Button", WS_TABSTOP, 327, 217, 55, 18
  CONTROL "    &Cancela", 103, "Button", WS_TABSTOP, 327, 236, 55, 18
END
 

[vilian]

Antonio,

You understood? Some Idea?

[Antonio Linares]

Vilian,

Windows API uses "logical units" for dialogboxes, and "pixels" for windows, thats why you get that dimensions difference.

You can read about "logical units" here:
http://msdn.microsoft.com/en-us/library/ms645475(VS.85).aspx

[vilian]

Antonio,

Thanks the information. I made thus:

Code: Select all  Expand view

 //CONTROL "&Ok", 102, "Button", WS_TABSTOP, 327, 217, 55, 18
 nLeft =  ( 217 * GetDialogBaseUnits()[ 1 ] ) / 4  
 nTop = ( 327 * GetDialogBaseUnits()[ 2 ] ) / 8  

@ nTop,nLeft  BUTTON "&Ok" SIZE 55,18 PIXEL
 

But it continues showing different of the definite one in the RC. What I am making made a mistake?

[Enrico Maria Giordano]

Try to size the controls during ON INIT event.

EMG

[StefanHaupt]

Antonio,

Windows API uses "logical units" for dialogboxes, and "pixels" for windows, thats why you get that dimensions difference.

is the dialog itself also using "logical units" (when it is created with define dialog .. from .. to ..) or only the controls inside the dialog ?

[Antonio Linares]

Stefan,

> is the dialog itself also using "logical units"

Yes

[vilian]

Enrico,

Already I made in ON INIT, but the problem persists.

I believe that the problem is in the conversion of the positions. The values generated in the calculation to follow are minors who the values of .RC file.

nLeft = ( 217 * GetDialogBaseUnits()[ 1 ] ) / 4
nTop = ( 327 * GetDialogBaseUnits()[ 2 ] ) / 8

GetDialogBaseUnits() is returning 2 in the two positions. The equation is this same?

[Antonio Linares]

Vilian,

> I believe that the problem is in the conversion of the positions

We have never been able to find the right conversion

[vilian]

Antonio,


When you see a dialog with resources is not done this conversion?

[Antonio Linares]

Vilian,

We let Windows to do it automatically.

[vilian]

Antonio,

How to ask Windows to display a dialogbox resource with all its controls?

[Antonio Linares]

Vilian,

http://msdn.microsoft.com/en-us/library/ms645452(VS.85).aspx

[StefanHaupt]

Antonio,

Stefan,
> is the dialog itself also using "logical units"
Yes

Thanks for the info, that explains some curious results I got in the past