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 Retrieves the Mouse Cursor X coordinate of the current form when the dragged data value is dropped. 
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 Syntax: 
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 DropMouseX() 
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 Parameters: 
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 None 
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 Returns: 
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 The numeric value of the Mouse Cursor X coordinate in the unit of measurement used by the current form. 
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 Note: 
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 When a drop occurs outside the form's client area, such as the form title, the X coordinate will be returned as a negative value. 
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 Exceptions: 
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 This function is not supported in Web Client tasks. 
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 Platform specific: 
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 This function is not supported for mobile devices. 
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 See also: 
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 DropMouseY 
The Online and Rich Client Samples projects (program HG41 and RHG41) 
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