[WIC] Fix issue sharpdx#418. Index out of range when reading a byte[0] from a MetadatqQueryReader

xoofx · xoofx · commit 193c126aec7c · 2013-03-20T21:32:58.000Z
diff --git a/Source/SharpDX/Win32/Variant.cs b/Source/SharpDX/Win32/Variant.cs
@@ -91,7 +91,10 @@ public unsafe object Value
                             case VariantElementType.Blob:
                                 {
                                     var buffer = new byte[(int)variantValue.recordValue.RecordInfo];
-                                    Utilities.Read(variantValue.recordValue.RecordPointer, buffer, 0, buffer.Length);
+                                    if (buffer.Length > 0)
+                                    {
+                                        Utilities.Read(variantValue.recordValue.RecordPointer, buffer, 0, buffer.Length);
+                                    }
                                     return buffer;
                                 }
                             case VariantElementType.Bool:

Original file line number	Diff line number	Diff line change
`@@ -91,7 +91,10 @@ public unsafe object Value`
`91`	`91`	`case VariantElementType.Blob:`
`92`	`92`	`{`
`93`	`93`	`var buffer = new byte[(int)variantValue.recordValue.RecordInfo];`
`94`		`- Utilities.Read(variantValue.recordValue.RecordPointer, buffer, 0, buffer.Length);`
	`94`	`+ if (buffer.Length > 0)`
	`95`	`+ {`
	`96`	`+ Utilities.Read(variantValue.recordValue.RecordPointer, buffer, 0, buffer.Length);`
	`97`	`+ }`
`95`	`98`	`return buffer;`
`96`	`99`	`}`
`97`	`100`	`case VariantElementType.Bool:`