I'm guessing that the Infragistics control is looking for installed printer drivers in locations in the registry that worked for Win XP, but doesn't find these same registry entries in a Win7 installation. In the Windows 7 install, when you call the "PrintData" method, the printer dialog appears but the "Printer" button is not displayed. I'm guessing the functionality of displaying the printer dialogs all happens inside the SSDBGrid control. When you click this, it displays another dialog that allows selecting a printer and then the contents of the grid are sent to the print driver. In an XP installation, the grid control displays a window that contains a "Printer" button. Our VB6 application has data loaded in the Data Widgets grid (SSDBGrid) and then after you select a Print option from the application menu, the program calls a PrintData method contained in the SSDBGrid control to print the grid contents. we are using Data Widgets 3.12 n an application that works under Windows XP but has a problem running under Windows 7.
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