D1178: Custom Dash Style Requires Dash Array
Creating a stroke style with DASH_STYLE_CUSTOM requires a dash array.
Possible Causes
When the application attempted to create an ID2D1StrokeStyle, it used the D2D1_DASH_STYLE_CUSTOM attribute but supplied a NULL dash array.
Possible Fixes
If the application requires custom dashes, ensure that a valid dash array is specified. See CreateStrokeStyle for an example. If a built-in dash style is acceptable, leave the dash array as NULL and use a specifier such as D2D1_DASH_STYLE_DASH.
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