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GoFiler Legato Script Reference
Legato v 1.4j Application v 5.22b
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Chapter Nine — Dialog Functions (continued)
Overview
The GetMessageParameter function retrieves one parameter of many associated with the current message or with the support class.
Syntax/Parameters
Syntax
dword = GetMessageParameter ( [int type] )
Parameters
type
An int that specifies the data to retrieve. The default value is GMP_TYPE_LPARAM.
Return Value
A 32-bit dword value representing the specified type. Use the GetLastError function to determine if an error occurred.
Remarks
The type codes are as follows:
| Definition | Code | Description | ||||
| Page Class: | ||||||
| GMP_TYPE_P_TYPE | 0 | Type of Page | ||||
| GMP_TYPE_P_LEVEL | 1 | Level of Page (tree type) | ||||
| GMP_TYPE_P_NUMBER | 2 | Page Number | ||||
| GMP_TYPE_HWPARENT | 3 | Page (Dialog/Prop) Window Handle | ||||
| GMP_TYPE_FLAGS | 4 | Control Flags | ||||
| Raw Current Message Information: | ||||||
| GMP_TYPE_HWPAGE | 5 | Page (Dialog) Window Handle | ||||
| GMP_TYPE_MESSAGE | 6 | Message ID (WM_) | ||||
| GMP_TYPE_WPARAM | 7 | “Word” Message Parameter | ||||
| GMP_TYPE_LPARAM | 8 | “Long” Message Parameter | ||||
| Translated Message: | ||||||
| GMP_TYPE_P_AC | 9 | Page Action Code | ||||
| GMP_TYPE_C_ID | 10 | Control ID | ||||
| GMP_TYPE_C_AC | 11 | Control Action Code (Message) | ||||
| GMP_TYPE_C_LP | 12 | Control lParam (param data) | ||||
| GMP_TYPE_C_HDR | 13 | Control Notification | ||||
| Parent: | ||||||
| GMP_TYPE_DIALOG | 14 | Dialog Class Pointer (parent) | ||||
| Page Data: | ||||||
| GMP_TYPE_PX | 15 | Page Index (Property Sheet) | ||||
This function may only be used within a dialog procedure. The data returned is related to the current procedures.
Related Functions
Platform Support
Go13, Go16, GoFiler Complete, GoFiler Corporate, GoFiler, GoFiler Lite, GoXBRL
Legato IDE, Legato Basic
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